Ismayilov АЕ, Aituganova Ж, Shekerbayeva Ш, Uypalakova Д, Sydykova М. GRAPH-MATRIX DESCRIPTION OF MULTI-CONTOUR INTERACTIONS IN A BIOTECHNOLOGICAL BEER FERMENTATION SYSTEM. Phys-Math [Internet]. 2026Jun.27 [cited 2026Sep.15];94(2):178-86. Available from: https://bulletin-phmath.kaznpu.kz/index.php/phmath/article/view/2642